Q17 of 25 Page 101

Why does the moon change its shape daily?

Moon is visible to us because of the light produced by the Sun. As the moon revolves around the Earth, only a portion of moon is illuminated by the Sun, consequently only the illuminated portion of the moon is visible. Therefore, it seems like the shape of the moon changes every day.


More from this chapter

All 25 →
15

A star is ten light years away from the earth. Suppose it brightens up suddenly today. After how much time shall we see this change?

 16

Meteors are not visible during the daytime. Explain the reason.

 18

Paheli saw the moon through a glass window at 8:00 p.m. She marked the position of the moon on the glass pane. She got up at 4 a.m. in the morning. Will the moon be visible at the same position?

 19

Suppose the moon emits light of its own. Would it still have phases? Justify your answer.